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-rw-r--r--net/smc/af_smc.c1
-rw-r--r--net/smc/smc_core.c12
-rw-r--r--net/smc/smc_diag.c2
3 files changed, 11 insertions, 4 deletions
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index a2cb30af46cb..0f53a5c6fd9d 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -924,6 +924,7 @@ static int smc_switch_to_fallback(struct smc_sock *smc, int reason_code)
smc->clcsock->file->private_data = smc->clcsock;
smc->clcsock->wq.fasync_list =
smc->sk.sk_socket->wq.fasync_list;
+ smc->sk.sk_socket->wq.fasync_list = NULL;
/* There might be some wait entries remaining
* in smc sk->sk_wq and they should be woken up
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index 95cc95458e2d..e4c858411207 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -1877,9 +1877,15 @@ static bool smcd_lgr_match(struct smc_link_group *lgr,
struct smcd_dev *smcismdev,
struct smcd_gid *peer_gid)
{
- return lgr->peer_gid.gid == peer_gid->gid && lgr->smcd == smcismdev &&
- smc_ism_is_virtual(smcismdev) ?
- (lgr->peer_gid.gid_ext == peer_gid->gid_ext) : 1;
+ if (lgr->peer_gid.gid != peer_gid->gid ||
+ lgr->smcd != smcismdev)
+ return false;
+
+ if (smc_ism_is_virtual(smcismdev) &&
+ lgr->peer_gid.gid_ext != peer_gid->gid_ext)
+ return false;
+
+ return true;
}
/* create a new SMC connection (and a new link group if necessary) */
diff --git a/net/smc/smc_diag.c b/net/smc/smc_diag.c
index 52f7c4f1e767..5a33908015f3 100644
--- a/net/smc/smc_diag.c
+++ b/net/smc/smc_diag.c
@@ -164,7 +164,7 @@ static int __smc_diag_dump(struct sock *sk, struct sk_buff *skb,
}
if (smc_conn_lgr_valid(&smc->conn) && smc->conn.lgr->is_smcd &&
(req->diag_ext & (1 << (SMC_DIAG_DMBINFO - 1))) &&
- !list_empty(&smc->conn.lgr->list)) {
+ !list_empty(&smc->conn.lgr->list) && smc->conn.rmb_desc) {
struct smc_connection *conn = &smc->conn;
struct smcd_diag_dmbinfo dinfo;
struct smcd_dev *smcd = conn->lgr->smcd;